Hi Czary!!

You make a good job!!

Don't worry, I think you will solve the centering problem.

Mine is working pretty well!!

I strongly believe that your trobble is that you use the cam system as a scissors (at least is what the result appearing to be in the picures), which, by my intuition, is not good.

Try to make they work as a valley. Look the pictures in this link:

baur cam pedal